72215577

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2789}}^1$

素因数の和:2942

約数の個数: 32

約数和(自身を含む): 123206400

約数和(自身を除く): 50990823

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2789, 2877, 3699, 8367, 8631, 19523, 25101, 25893, 58569, 75303, 175707, 382093, 527121, 1146279, 2674651, 3438837, 8023953, 10316511, 24071859, 72215577]

約数ペア:

[(1, 72215577), (3, 24071859), (7, 10316511), (9, 8023953), (21, 3438837), (27, 2674651), (63, 1146279), (137, 527121), (189, 382093), (411, 175707), (959, 75303), (1233, 58569), (2789, 25893), (2877, 25101), (3699, 19523), (8367, 8631)]